Liam FitzGibbon

The 19-year-old Central Coast midfielder was among three new faces selected in the squad for next week's friendly against South Korea in Hwaseong, along with Melbourne Heart's Aziz Behich and Serbia-based Eli Babalj.

Rogic's call-up comes on the back of his dazzling form in the A-League and amid growing hype surrounding his potential.

And while "a little bit overwhelmed" by getting selected, Rogic is not getting ahead of himself, predicting his first involvement with the squad would be more of a learning experience than anything.

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"I feel very proud and honoured to get a call-up but I'm not getting carried away," Rogic said.

"To talk about any game time or anything like that would just be a bonus.

"I'm just going over there hoping to learn a lot in my short time there and I can't wait."

It's an attitude sure to please Osieck, who made it clear on Wednesday he is concerned about media and fans building up Rogic too soon, warning he still had a lot of developing to do.

"He is a good boy, he has a lot of talent and a lot of special qualities but he is far from being on a top international level," Osieck said.

"... He has all the ingredients to become a good player, to even represent Australia. That's one thing, but he's not there yet.

"I have had numerous experiences in my coaching where young, talented players were put up prematurely on a level that they later never reached.

"It can be more destructive to the development of the boy than beneficial.

"I would like you to consider that. Please don't destroy him."

Osieck said Rogic needed to develop physically and improve his mobility in tight spaces but also noted he had something special.

"He has that element of creativity," Osieck said.

"He does the unexpected, which can decide a game."

The German's 19-man squad for next Wednesday's match features some younger faces with promising Mariners' goalkeeper Mat Ryan and Germany-based former A-League star Mathew Leckie also selected.

Veterans Mark Schwarzer, Lucas Neill, Luke Wilkshire and Carl Valeri are included and Osieck repeated calls he made last month for senior players to show better leadership.

"They have the job now to guide the young guys who have come in," Osieck said.

"I expect leadership."

Perth Glory defender Michael Thwaite returns to the squad while Melbourne Victory striker Archie Thompson is seemingly now a permanent fixture in the team, with Osieck declaring him the form player of the A-League.

Wednesday's match at Hwaseong Stadium will serve as preparation for next month's East Asian Cup qualifiers, where Osieck will have to rely heavily on young and Australian-based talent.

Fringe players including Tommy Oar and James Holland are expected to play more prominent roles against 25th-ranked South Korea.